1st trial - put 6 balls at each side .. take out the lighter 6 balls公仔箱論壇! J$ e/ ^& }5 j- }
2nd trial - put the heavier 6 balls by 3 balls at each sidetvb now,tvbnow,bttvb8 l; h1 u/ r# a: R
lastly, take out the lighter 3 balls.... now left 3 balls..
' M" F5 l! }, ?# R+ YTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。3rd trial - put 1 ball on each side, left 1 ball on table. if both sides balance, the ball on table is the heaviest. if one side on the scale is heavier then it is the heaviest... |